Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.2 A 0.3 A None of these 0.6 A 0.4 A 0.2 A 0.3 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from neutral to positive None of these from negative to positive from left to right from positive to negative from neutral to positive None of these from negative to positive from left to right from positive to negative ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 2.02 A 157 raA 0.151 mA None of these 0.995 mA 2.02 A 157 raA 0.151 mA None of these 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 200 W 1000 W 20 W 100 W None of these 200 W 1000 W 20 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? None of these 36 V 40 V 0 V 60 V None of these 36 V 40 V 0 V 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 4.73 600 V 0.4 V 24 V None of these 4.73 600 V 0.4 V 24 V None of these ANSWER DOWNLOAD EXAMIANS APP
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